ラズベリーパイ　デバイス編　IoTCap（２）

#! /usr/bin/python
# for IoTCAP
# (C)Copyright 2018 All rights reserved by Y.Onodera
 
### global
GPIO_SW1=22
import RPi.GPIO as GPIO
import time
import sys
import os
 
### function
def callbackSW1(pin):
  i=0
  while True:
    time.sleep(0.1)
    i+=1
    if i > 50:
      # sys.exit(0)
      os.system('sudo poweroff')
      break
    if GPIO.input(GPIO_SW1) == 1:
      break
 
 
### main routine
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(GPIO_SW1, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(GPIO_SW1, GPIO.FALLING)
GPIO.add_event_callback(GPIO_SW1, callbackSW1)
 
try:
  while True:
    time.sleep(1)
 
except:
  GPIO.cleanup() 

#!/usr/bin/python
# coding:utf-8
import RPi.GPIO as GPIO
import time
import sys
import os
import smbus
 
#GPIO初期化
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
 
#GPIO23pinを入力モードとし、pull up設定とします
GPIO_SW2 = 23
GPIO.setup(GPIO_SW2, GPIO.IN, pull_up_down=GPIO.PUD_UP)
#GPIO05(Blue)を出力モードとします
led_port=5
GPIO.setup(led_port, GPIO.OUT)
GPIO.output(led_port, GPIO.LOW)
#GPIO06(White)を出力モードとします
wh_port=6
GPIO.setup(wh_port, GPIO.OUT)
GPIO.output(wh_port, GPIO.LOW)
 
### function 長押し検知してシャットダウン処理
def callbackSW2(pin):
  i=0
  while True:
    time.sleep(0.1)
    i+=1
    if i == 1:
      GPIO.output(led_port, GPIO.LOW)
    if i == 30:
      GPIO.output(led_port, GPIO.HIGH)
    if i == 35:
      GPIO.output(led_port, GPIO.LOW)
    if i == 40:
      GPIO.output(led_port, GPIO.HIGH)
    if i == 45:
      GPIO.output(led_port, GPIO.LOW)
    if i > 50:
      GPIO.output(led_port, GPIO.HIGH)
      # sys.exit(0)
      os.system('sudo poweroff')
      break
    if GPIO.input(GPIO_SW2) == 1:
      break
 
#GPIO23pinのボタン押下をイベント登録
GPIO.add_event_detect(GPIO_SW2, GPIO.FALLING)
GPIO.add_event_callback(GPIO_SW2, callbackSW2)
 
try:
  while True:
    time.sleep(0.2)
 
except:
  GPIO.cleanup()

#!/usr/bin/python
# coding:utf-8
import RPi.GPIO as GPIO
import time
import sys
import os
import smbus
import datetime
 
#LCD接続設定
bus_number=1
addr=0x3e
lcd_cmd=0x00
lcd_dat=0x40
 
#GPIO初期化
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
 
#GPIO23pinを入力モードとし、pull up設定とします
GPIO_SW2 = 23
GPIO.setup(GPIO_SW2, GPIO.IN, pull_up_down=GPIO.PUD_UP)
#GPIO05(Blue)を出力モードとします
led_port=5
GPIO.setup(led_port, GPIO.OUT)
GPIO.output(led_port, GPIO.LOW)
#GPIO06(White)を出力モードとします
wh_port=6
GPIO.setup(wh_port, GPIO.OUT)
GPIO.output(wh_port, GPIO.LOW)
 
#LCD初期化(I2C使用)
bus=smbus.SMBus(bus_number)
time.sleep(0.1)
bus.write_i2c_block_data(addr, lcd_cmd, [0x38, 0x39, 0x14, 0x70, 0x56, 0x6c])
time.sleep(0.3)
bus.write_i2c_block_data(addr, lcd_cmd, [0x38, 0x0c, 0x01])
bus.write_i2c_block_data(addr, lcd_cmd, [0x05, 0x01])
 
### function 長押し検知してシャットダウン処理
def callbackSW2(pin):
  i=0
  while True:
    time.sleep(0.1)
    i+=1
    if i == 1:
      GPIO.output(led_port, GPIO.LOW)
    if i == 30:
      GPIO.output(led_port, GPIO.HIGH)
    if i == 35:
      GPIO.output(led_port, GPIO.LOW)
    if i == 40:
      GPIO.output(led_port, GPIO.HIGH)
    if i == 45:
      GPIO.output(led_port, GPIO.LOW)
    if i > 50:
      GPIO.output(led_port, GPIO.HIGH)
      # sys.exit(0)
      os.system('sudo poweroff')
      break
    if GPIO.input(GPIO_SW2) == 1:
      break
 
#GPIO23pinのボタン押下をイベント登録
GPIO.add_event_detect(GPIO_SW2, GPIO.FALLING)
GPIO.add_event_callback(GPIO_SW2, callbackSW2)
 
try:
  while True:
    time.sleep(0.2)
    # LCDカーソルをHomeポジションへ
    bus.write_i2c_block_data(addr, lcd_cmd, [0x80])
    # 現在日時
    now = datetime.datetime.today().isoformat()
    # LCD表示(時刻部)
    for ix in range(11,19):
      bus.write_i2c_block_data(addr, lcd_dat, [ord(now[ix])])
    #LED点滅
    if (ord(now[18]) % 2) == 0:
      GPIO.output(wh_port, GPIO.LOW)
    else:
      GPIO.output(wh_port, GPIO.HIGH)
 
except:
  GPIO.cleanup()

[Unit]
Description =ShutdownButton and TimeDisplay by IoTCAP
  
[Service]
ExecStart=/usr/bin/python3 /home/{ユーザ名など}/IoTCAP/iotcap.py
Restart=no
Type=simple
  
[Install]
WantedBy=multi-user.target

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
 
var indexRouter = require('./routes/index');
var apiRouter = require('./routes/restapi');
 
var app = express();
 
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
 
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
// cors
app.use(function(req, res, next){                          // add
  res.header("Access-Control-Allow-Origin","*");
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  next();
});
  
app.use('/', indexRouter);
app.use('/api', apiRouter);
 
// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});
 
// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};
 
  // render the error page
  res.status(err.status || 500);
  res.render('error');
});
 
module.exports = app;

var express = require('express');
var router = express.Router();
  
/* GET API */
router.get('/', function(req, res, next) {
  var param = {"値":"サンプルAPI返却"};
  res.header('Content-Type', 'application/json; charset=utf-8');
  res.send(param);
});
  
module.exports = router;

var express = require('express');
var exec = require('child_process').exec;
var router = express.Router();
  
/* GET API */
router.get('/', function(req, res, next) {
  var param = {"値":"サンプルAPI返却"};
  res.header('Content-Type', 'application/json; charset=utf-8');
  res.send(param);
});
 
router.get('/light/:id', function(req, res, next) {
  if (req.params.id == 'on') {
    // 照明点灯
    exec('sudo /usr/local/bin/setIR2 AEHA 40 44 82 9 45 36', function (err, stdout, stderr) {
      if (err) { console.log(err); }
    });
  } else if (req.params.id == 'off') {
    // 照明消灯
    exec('sudo /usr/local/bin/setIR2 AEHA 40 44 82 9 47 38', function (err, stdout, stderr) {
      if (err) { console.log(err); }
    });
  }
  res.header('Content-Type', 'application/json; charset=utf-8');
  res.send({ status: '200', msg: 'OK' });
});
 
module.exports = router;